阿摩線上測驗
20.We interviewed a lot of people about the traffic problems, collected their ideas, and compared their suggestions. Slowly, a solution began to ________.
(A) spread
(B) emerge
(C) preserve
(D) demonstrate
答案：登入後查看
統計： A(0), B(3), C(1), D(0), E(0) #3919530
統計： A(0), B(3), C(1), D(0), E(0) #3919530
